package com.xxxx.seckill.utils;

import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Component;

/**
 * MD5工具类
 *
 * @ClassName: MD5Util
 * @Title: seckill
 * @Package: com.xxxx.seckill.utils
 * @Description:
 * @Author: Kisen
 * @Date: 2021/3/1 23:24
 */
@Component
public class MD5Util {

    private static final String salt = "1a2b3c4d";

    public static String md5(String src){
        return DigestUtils.md5Hex(src);
    }

    public static String inputPassToFormPass(String inputPass){
        String str = "" + salt.charAt(0) + salt.charAt(2) + inputPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String formPassToDBPass(String formPass, String salt){
        String str = "" + salt.charAt(0) + salt.charAt(2) + formPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String inputPassToDBPass(String inputPass, String salt){
        String formPass = inputPassToFormPass(inputPass);
        String dbPass = formPassToDBPass(formPass, salt);
        return dbPass;
    }

    public static void main(String[] args) {
        // ce21b747de5af71ab5c2e20ff0a60eea
        System.out.println(inputPassToFormPass("123456"));
        System.out.println(formPassToDBPass("d3b1294a61a07da9b49b6e22b2cbd7f9", "1a2b3c4d"));
        System.out.println(inputPassToDBPass("123456", "1a2b3c4d"));
    }
}
